Package org.apache.cassandra.utils

Class AlwaysPresentFilter

java.lang.Object

org.apache.cassandra.utils.AlwaysPresentFilter

All Implemented Interfaces:

java.lang.AutoCloseable, SharedCloseable, IFilter

public class AlwaysPresentFilter
extends java.lang.Object
implements IFilter

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.cassandra.utils.IFilter

IFilter.FilterKey

Constructor Summary

Constructors

Constructor	Description
AlwaysPresentFilter()

Method Summary

Modifier and Type	Method	Description
void	add(IFilter.FilterKey key)
void	addTo(Ref.IdentityCollection identities)
void	clear()
void	close()
java.lang.Throwable	close(java.lang.Throwable accumulate)
boolean	isPresent(IFilter.FilterKey key)
long	offHeapSize()	Returns the amount of memory in bytes used off heap.
long	serializedSize()
IFilter	sharedCopy()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AlwaysPresentFilter

public AlwaysPresentFilter()

Method Detail

isPresent

public boolean isPresent(IFilter.FilterKey key)

Specified by:

isPresent in interface IFilter

add

public void add(IFilter.FilterKey key)

Specified by:

add in interface IFilter

clear

public void clear()

Specified by:

clear in interface IFilter

close

public void close()

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface IFilter

sharedCopy

public IFilter sharedCopy()

Specified by:

sharedCopy in interface IFilter

Specified by:

sharedCopy in interface SharedCloseable

Returns:

a new instance of the object representing the same state and backed by the same underlying resources. Coordinates with the original (and other instances) when the underlying resource should be closed. Throws an exception if the shared resource has already been closed.

close

public java.lang.Throwable close(java.lang.Throwable accumulate)

Specified by:

close in interface SharedCloseable

addTo

public void addTo(Ref.IdentityCollection identities)

Specified by:

addTo in interface SharedCloseable

serializedSize

public long serializedSize()

Specified by:

serializedSize in interface IFilter

offHeapSize

public long offHeapSize()

Description copied from interface: IFilter

Returns the amount of memory in bytes used off heap.

Specified by:

offHeapSize in interface IFilter

Returns:

the amount of memory in bytes used off heap